#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main() {
	int a = 0;
	
	while (scanf("%d", &a) != EOF)
	{
		if (a % 2 == 0)
			printf("Even\n");
		else
			printf("Odd\n");
	}
	return 0;
}